Wipers comprising point unbonded webs
AssigneeKimberly-Clark Worldwide, Inc.
InventorsBryan David Haynes, Laura Elizabeth Keck, Charles Allen Smith, Ty Jackson Stokes, David Craige Strack
Life of this patent
Estimating the term…
Abstract
There is provided a wiper comprising a first web of fibers of at most 50 microns in diameter wherein said web has been bonded using a point unbonded pattern having a bond area between about 25 and 50 percent. The wiper can be made from thermoplastic polymer nonwoven fibers made by the meltblowing, spunbonding, carding and bonding, or airlaying processes. The wiper may be a laminate of various thermoplastic layers joined with the point unbonded pattern and may be a coform web of thermoplastic polymer and pulp or other material.
Claims13
A wiper comprising a first web of fibers of at most 50 microns in diameter wherein said web has been bonded using a point unbonded pattern having a bond area between about 36 and 50 percent and wherein said fibers have at least a portion extending into and bonding within said bond area.
A baby wipe comprising a coform web of pulp and thermoplastic polymer fibers having an average diameter of less than 10 microns, bonded together using a point unbonded pattern having a bond area between about 36 and 50 percent and wherein said fibers have at least a portion extending into and bonding within said bond area.
Dependencies are inferred from the claim text.